Seam Analysis, Aberpergwm Colliery. Six Feet Seam, Eighteen Feet Seam (1646/77/SW) 1977
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1762
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- ReferenceGB 216 D/D PRO/NCB/6/1762
- Dates of Creation1977
- Language of MaterialEnglish
- Physical Description1 file